Passenger traffic declined slightly in the first half of the year at El Paso International Airport, even though June recorded healthy gains, new data show.

Almost 5,000 fewer passengers used the airport in the first half of 2014 compared to the same time in 2013, for a decrease of 0.4 percent, a new report shows. Just over 1.3 million passengers used the airport in the first six months of 2014.

Passenger traffic increased 11.3 percent in June compared to May, and increased almost 7 percent from June 2013 to 268,411.

Southwest Airlines, the airport's largest airline, saw its El Paso passenger count fall almost 7 percent in the first half of the year from a year ago to 661,374. American Airlines, the airport's second-largest carrier, increased its El Paso passenger count almost 11 percent to 334,985.

Airport freight traffic declined almost 5 percent in the first half of the year from a year ago to 42,112 tons.